JPS5656028A - Elastic surface wave filter - Google Patents

Elastic surface wave filter

Info

Publication number
JPS5656028A
JPS5656028A JP13155779A JP13155779A JPS5656028A JP S5656028 A JPS5656028 A JP S5656028A JP 13155779 A JP13155779 A JP 13155779A JP 13155779 A JP13155779 A JP 13155779A JP S5656028 A JPS5656028 A JP S5656028A
Authority
JP
Japan
Prior art keywords
response
electrode fingers
cross width
parts
less
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP13155779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6210045B2 (en]
Inventor
Michio Kadota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP13155779A priority Critical patent/JPS5656028A/ja
Publication of JPS5656028A publication Critical patent/JPS5656028A/ja
Publication of JPS6210045B2 publication Critical patent/JPS6210045B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02881—Means for compensation or elimination of undesirable effects of diffraction of wave beam
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP13155779A 1979-10-11 1979-10-11 Elastic surface wave filter Granted JPS5656028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13155779A JPS5656028A (en) 1979-10-11 1979-10-11 Elastic surface wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13155779A JPS5656028A (en) 1979-10-11 1979-10-11 Elastic surface wave filter

Publications (2)

Publication Number Publication Date
JPS5656028A true JPS5656028A (en) 1981-05-16
JPS6210045B2 JPS6210045B2 (en]) 1987-03-04

Family

ID=15060843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13155779A Granted JPS5656028A (en) 1979-10-11 1979-10-11 Elastic surface wave filter

Country Status (1)

Country Link
JP (1) JPS5656028A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0536177U (ja) * 1991-10-18 1993-05-18 フジ精機株式会社 電磁弁

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528678A (en) * 1978-08-22 1980-02-29 Nec Corp Reed screen shape electrode

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528678A (en) * 1978-08-22 1980-02-29 Nec Corp Reed screen shape electrode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0536177U (ja) * 1991-10-18 1993-05-18 フジ精機株式会社 電磁弁

Also Published As

Publication number Publication date
JPS6210045B2 (en]) 1987-03-04

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